Home / 56,383.29-84,580.61-20,854.06

Finding the Fourth Proportional to 56,383.29, 84,580.61 and 20,854.06

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Solution

The fourth proportional to 56,383.29, 84,580.61 and 20,854.06 is: 31,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,383.29 : 84,580.61 = 20,854.06 : x
  2. Step 2: Convert to fraction form
    56,383.29/84,580.61 = 20,854.06/x
  3. Step 3: Cross multiply
    56,383.29x = 84,580.61 × 20,854.06
  4. Step 4: Simplify right side
    56,383.29x = 1,763,848,800.05
  5. Step 5: Solve for x
    x = 1,763,848,800.05/56,383.29
  6. Step 6: Final answer
    x = 31,283.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.